Answers

Add 54/18 and 90/9

1^st number: 3 0/18, 2^nd number: 10 0/9

54/18 + 90/9 is 13/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 9 is 18
   
   Next, find the equivalent fraction of both fractional numbers with denominator 18
2. For the 1st fraction, since 18 × 1 = 18,
   54/18 = 54 × 1/18 × 1 = 54/18
3. Likewise, for the 2nd fraction, since 9 × 2 = 18,
   90/9 = 90 × 2/9 × 2 = 180/18
4. Add the two like fractions:
   54/18 + 180/18 = 54 + 180/18 = 234/18
5. 234/18 simplified gives 13/1
6. So, 54/18 + 90/9 = 13/1

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